/**
  ******************************************************************************
  * @file    main.c
  * @author  MCU Application Team
  * @brief   Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
  * All rights reserved.</center></h2>
  *
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "gpio.h"
#include "tim.h"
#include "usart.h"
#include "iwdg.h"
#include "PY32module_main.h"

/* Private define ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private user code ---------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void APP_SystemClockConfig(void);

/**
  * @brief  Application Entry Function.
  * @retval int
  */
int main(void)
{
  __HAL_DBGMCU_FREEZE_IWDG();
  __HAL_DBGMCU_FREEZE_TIM1();
  __HAL_DBGMCU_FREEZE_TIM_MB();
  /* Reset of all peripherals, Initializes the Systick. */
  HAL_Init();
  
  /* System clock configuration */
  APP_SystemClockConfig();
  
//  MX_IWDG_Init();
  MX_GPIO_Init();
  MX_TIM1_Init();
  MX_TIMMB_Init();
  MX_USART1_UART_Init();
  
  

  PYModule_FirstInit();
  /* infinite loop */
  while (1)
  {
    PYModule_main();
  }
}

/**
  * @brief  System clock configuration function
  * @param  None
  * @retval None
  */
static void APP_SystemClockConfig(void)
{
//  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
//  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

//  /* Oscillator configuration */
//  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; /* Select oscillator HSE, HSI, LSI, LSE */
//  RCC_OscInitStruct.HSIState = RCC_HSI_ON;                           /* Enable HSI */
//  RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;                           /* HSI 1 frequency division */
//  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_24MHz;  /* Configure HSI clock 24MHz */
//  RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS_DISABLE;               /* Close HSE bypass */
//  RCC_OscInitStruct.LSIState = RCC_LSI_OFF;                          /* Close LSI */
//  /*RCC_OscInitStruct.LSICalibrationValue = RCC_LSICALIBRATION_32768Hz;*/
//  RCC_OscInitStruct.LSEState = RCC_LSE_OFF;                          /* Close LSE */
//  /*RCC_OscInitStruct.LSEDriver = RCC_LSEDRIVE_MEDIUM;*/
//  /* Configure oscillator */
//  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
//  {
//    Error_Handler();
//  }

//  /* Clock source configuration */
//  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1; /* Choose to configure clock HCLK, SYSCLK, PCLK1 */
//  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSISYS; /* Select HSISYS as the system clock */
//  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;        /* AHB clock 1 division */
//  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;         /* APB clock 1 division */
//  /* Configure clock source */
//  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
//  {
//    Error_Handler();
//  }
    /* Включение HSI */
    RCC->CR |= RCC_CR_HSION;
    while (!(RCC->CR & RCC_CR_HSIRDY));
    
    /* Настройка делителя HSI */
    RCC->CR &= ~RCC_CR_HSIDIV;
    RCC->CR |= RCC_HSI_DIV1;
    
    /* Калибровка HSI */
    RCC->ICSCR &= ~RCC_ICSCR_HSI_TRIM;
    RCC->ICSCR |= (RCC_HSICALIBRATION_24MHz << RCC_ICSCR_HSI_TRIM_Pos);
    
    /* Отключение LSI и LSE */
    #ifdef RCC_LSE_SUPPORT
    RCC->CSR &= ~RCC_CSR_LSION;
    RCC->BDCR &= ~RCC_BDCR_LSEON;
    #endif
    /* Отключение байпаса HSE */
    RCC->CR &= ~0x00000000U;
    
    /* Установка источника системной тактовой частоты */
    RCC->CFGR &= ~RCC_CFGR_SW;
#ifdef PY32F002Bx5
    RCC->CFGR |= RCC_SYSCLKSOURCE_HSISYS;
    while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_SYSCLKSOURCE_HSISYS);
#endif
#ifdef PY32F002Ax5
    RCC->CFGR |= RCC_SYSCLKSOURCE_HSI;
    while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_SYSCLKSOURCE_HSI);
#endif
    
    /* Установка делителей */
    RCC->CFGR &= ~(RCC_CFGR_HPRE | RCC_CFGR_PPRE_1);
    RCC->CFGR |= RCC_SYSCLK_DIV1 | RCC_HCLK_DIV1;
    
    /* Настройка задержки флеш-памяти */
    FLASH->ACR &= ~FLASH_ACR_LATENCY;
    FLASH->ACR |= FLASH_LATENCY_0;
}

uint32_t HAL_RCC_GetPCLK1Freq(void)
{
  /* Get HCLK source and Compute PCLK1 frequency ---------------------------*/
  return (uint32_t)((SystemCoreClock) >> (APBPrescTable[(RCC->CFGR & RCC_CFGR_PPRE) >> RCC_CFGR_PPRE_Pos] & 0x1FU));
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* Users can add their own printing information as needed,
     for example: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* Infinite loop */
  while (1)
  {
  }
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
